I'm a huge fan of slider phones. Before Ting had any top tier phones available, I wanted something a little better than the Samsung Transform. The Transform only has 512M ram and Spint bloated it to it's knees. I found a nice Epic for $80 on Craigslist.org. Took the time to root and copy my info from the Transform into it. It has serverd me VERY well. This was the very first phone copied to Ting and it's still serving me well.
Two days ago I decided to upgrade the OS. I found that Jelly Bean was available for it. I had tried Ice Creme Sandwitch but didn't like it for a few reasons. I LOVE jelly Bean. This phone has never performed better. It is buttery smooth at everything I do which is great for a 1GHz single core.
If you are looking for a real cheap phone that does extremely good, grab yourself a Samsung Epic 4G and migrate it over and put JB on it. If anyone wants to try this and needs help, just give me a holler. I'd be happy to help.
The only thing that does not work for me is 4G and I believe that is because my donor wasn't 4G. Everything else is perfect.